.button {
    width: 100%;
    height: 40px;
    line-height: 40px;
    border-radius: 53px;
    font-size: 16px;
    color: #ffffff;
    background: -webkit-linear-gradient(left, #F60B0F , #F4305E); /* Safari 5.1 - 6.0 */
	background: -o-linear-gradient(right, #F60B0F, #F4305E); /* Opera 11.1 - 12.0 */
	background: -moz-linear-gradient(right, #F60B0F, #F4305E); /* Firefox 3.6 - 15 */
    background: linear-gradient(to right, #F60B0F , #F4305E); /* 标准的语法 */
    box-shadow: 1px 1px 3px 0px #f3312a;
}
